五河口斜拉桥施工控制中间索力的确定方法  

Method of Determining Middle Cable Force in Construction Control of Wuhekou Cable-stayed Bridge

作　　者：姜竹生[1] 孙胜江[2] 冷雪浩[2] 

机构地区：[1]江苏省高速公路建设指挥部,南京市210004 [2]长安大学公路学院,西安市710064

出　　处：《公路》2006年第5期35-38,共4页Highway

摘　　要：合理确定斜拉桥前支点挂篮施工的中间索力,对于挂篮受力安全和施工方便有重要作用。通过对施工过程的模拟和挂篮实际受力的分析,提出了混凝土斜拉桥前支点挂篮施工的中间索力的确定方法,并结合五河口斜拉桥的施工控制,利用该法确定了中间张拉索力。实际应用表明该方法正确、合理。It is important for safetY of the suspended wagon and convenient construction to determine the middle cable force rationally when the cable-stayed bridge is constructed by suspended wagon which has a support at front end. Through simulating the construction process and analyzing the actual force of the suspended wagon, a method of determining the middle cable force is put forward for the concrete cablestayed bridge constructed by suspended wagen. Associating the construction control of Wuhekou Cablestayed Bridge, the middle cable forces of the bridge are determined by the method. The practical application shows that the method is correct and rational.

关 键 词：斜拉桥 中间索力 力学方法 前支点挂篮 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]